diff --git a/Documentation/ProjectFile/material/fluid/density/ConcentrationDependent/t_fluid_density_reference_concentration.md b/Documentation/ProjectFile/material/fluid/density/ConcentrationDependent/t_reference_concentration.md
similarity index 100%
rename from Documentation/ProjectFile/material/fluid/density/ConcentrationDependent/t_fluid_density_reference_concentration.md
rename to Documentation/ProjectFile/material/fluid/density/ConcentrationDependent/t_reference_concentration.md
diff --git a/Documentation/ProjectFile/material/fluid/density/ConcentrationDependent/t_fluid_density_reference_density.md b/Documentation/ProjectFile/material/fluid/density/ConcentrationDependent/t_reference_density.md
similarity index 100%
rename from Documentation/ProjectFile/material/fluid/density/ConcentrationDependent/t_fluid_density_reference_density.md
rename to Documentation/ProjectFile/material/fluid/density/ConcentrationDependent/t_reference_density.md
diff --git a/Documentation/ProjectFile/material/fluid/density/i_density.md b/Documentation/ProjectFile/material/fluid/density/i_density.md
new file mode 100644
index 0000000000000000000000000000000000000000..4e66f4d9591407aa5d73b4fc586729b5b061d65c
--- /dev/null
+++ b/Documentation/ProjectFile/material/fluid/density/i_density.md
@@ -0,0 +1 @@
+Various constitutive relationships for the fluid density.
diff --git a/Documentation/ProjectFile/material/fluid/viscosity/i_viscosity.md b/Documentation/ProjectFile/material/fluid/viscosity/i_viscosity.md
new file mode 100644
index 0000000000000000000000000000000000000000..d4bdf12871bf502d28e1dba29d193e0a71dde4f5
--- /dev/null
+++ b/Documentation/ProjectFile/material/fluid/viscosity/i_viscosity.md
@@ -0,0 +1 @@
+List of constitutive relationships for viscosity models.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/c_ComponentTransport.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/c_ComponentTransport.md
new file mode 100644
index 0000000000000000000000000000000000000000..64ccf4a965a3723aeaf0c3df081e0d35e16b37a4
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/c_ComponentTransport.md
@@ -0,0 +1 @@
+Implementation of the component transport.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/fluid/i_fluid.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/fluid/i_fluid.md
new file mode 100644
index 0000000000000000000000000000000000000000..82d8c9d54553e63e79421d319e75d2acdc461388
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/fluid/i_fluid.md
@@ -0,0 +1 @@
+Description of the fluid properties using constitutive relations.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/fluid/t_density.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/fluid/t_density.md
new file mode 100644
index 0000000000000000000000000000000000000000..254641a5414e1206e0f4d131a52922516403adb1
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/fluid/t_density.md
@@ -0,0 +1 @@
+The constitutive relation for the fluid density model.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/fluid/t_viscosity.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/fluid/t_viscosity.md
new file mode 100644
index 0000000000000000000000000000000000000000..9c6e090a7eec87e7e03bd929d9ae6536eefd7a2e
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/fluid/t_viscosity.md
@@ -0,0 +1 @@
+The constitutive relation for the fluid viscosity model.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/i_porous_medium.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/i_porous_medium.md
new file mode 100644
index 0000000000000000000000000000000000000000..b0d0a13f289c7ab931aaf6ba73d933a91274e5d2
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/i_porous_medium.md
@@ -0,0 +1 @@
+Tag to specify various porous media.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/a_id.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/a_id.md
new file mode 100644
index 0000000000000000000000000000000000000000..15139e4fbcf5bc1bd69fc35c822a5b6b79553d35
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/a_id.md
@@ -0,0 +1,3 @@
+The 'id' attribute maps the porous medium property to the mesh elements assigned
+to the same 'MaterialIDs' id, where 'MaterialIDs' property vector stored as a
+property withinn the mesh.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/i_porous_medium.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/i_porous_medium.md
new file mode 100644
index 0000000000000000000000000000000000000000..d877e666d2aca38cd0b049506ce53e710f92c010
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/i_porous_medium.md
@@ -0,0 +1,2 @@
+Tag to specify a porous medium property consisting of the permeability, storage
+and porosity constitutive laws.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/t_permeability.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/t_permeability.md
new file mode 100644
index 0000000000000000000000000000000000000000..18b24ec305fa92156cfc7c9f1e0718baf30ae8c8
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/t_permeability.md
@@ -0,0 +1 @@
+This tag describes the permeability model of the porous medium.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/t_porosity.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/t_porosity.md
new file mode 100644
index 0000000000000000000000000000000000000000..989158e5409a7bf5d6a78b4f5a58a6c9698b97b1
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/t_porosity.md
@@ -0,0 +1 @@
+Tag describing the porosity model of the porous medium.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/t_storage.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/t_storage.md
new file mode 100644
index 0000000000000000000000000000000000000000..ae3f924782c2989916388f67995e03a2873f8d28
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/porous_medium/porous_medium/t_storage.md
@@ -0,0 +1 @@
+Tag describing the specific storage model of the porous medium.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/process_variables/i_process_variables.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/process_variables/i_process_variables.md
new file mode 100644
index 0000000000000000000000000000000000000000..52ddbe66f7f8d21395cce5a1471b522f174c9a09
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/process_variables/i_process_variables.md
@@ -0,0 +1 @@
+List of tags for the specification of the name of the process variables.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/process_variables/t_concentration.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/process_variables/t_concentration.md
new file mode 100644
index 0000000000000000000000000000000000000000..5181c9dbab88e3c2d1fffa38da22e91f8e2f00ba
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/process_variables/t_concentration.md
@@ -0,0 +1 @@
+Definition of the process variable for the transport process, i.e., the concentration.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/process_variables/t_pressure.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/process_variables/t_pressure.md
new file mode 100644
index 0000000000000000000000000000000000000000..bb11eb313da590ea2d095bffecde2a69baf517ec
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/process_variables/t_pressure.md
@@ -0,0 +1 @@
+Definition of the process variable for the hydraulic process, i.e., the pressure.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_decay_rate.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_decay_rate.md
new file mode 100644
index 0000000000000000000000000000000000000000..b4992a3ad7ed0168eb9b3cc33da764dd4ed0819d
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_decay_rate.md
@@ -0,0 +1 @@
+Parameter to specify the decay rate.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_fluid_reference_density.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_fluid_reference_density.md
new file mode 100644
index 0000000000000000000000000000000000000000..7a9d865b220af527c3d672b644f8875d8b924c75
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_fluid_reference_density.md
@@ -0,0 +1 @@
+Parameter for the specification of the reference density of the fluid.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_retardation_factor.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_retardation_factor.md
new file mode 100644
index 0000000000000000000000000000000000000000..418ad86524af0595f76fcaa2a209f440e5227b33
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_retardation_factor.md
@@ -0,0 +1 @@
+Parameter for the specification of the retardation factor.
diff --git a/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_specific_body_force.md b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_specific_body_force.md
new file mode 100644
index 0000000000000000000000000000000000000000..0a6e4c9cc98de615fa9f8b442cb84bf1d9d30e43
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/ComponentTransport/t_specific_body_force.md
@@ -0,0 +1,3 @@
+Specific body forces applied to fluid.
+
+It is usually used to apply gravitational forces. Given as a 2d or 3d vector.