Several changes to Descrtptions and some names

meta_info/nomad_meta_info/common.nomadmetainfo.json

 {
   "type": "nomad_meta_info_1_0",
-  "description": "common meta info, not specific to any code",
+  "description": "Common meta info, not specific to any code",
   "dependencies": [ {
       "relativePath": "public.nomadmetainfo.json"
     }],
@@ -371,5 +371,36 @@
       "superNames": [
         "section_topology"
       ]
+    }, {
+      "description": "Component of the correlation (C) energy at the GGA (or MetaGGA) level using the self-consistent density of the target XC functional (full unscaled value, i.e., not scaled due to exact-exchange mixing).",
+      "dtypeStr": "f",
+      "name": "energy_C_mGGA",
+      "repeats": false,
+      "shape": [],
+      "superNames": [
+        "energy_type_C"
+      ],
+      "units": "J"
+    }, {
+      "description": "Component of the exchange (X) energy at the GGA (or MetaGGA) level, using the self consistent density of the target functional, scaled accordingly to the mixing parameter.",
+      "dtypeStr": "f",
+      "name": "energy_X_mGGA_scaled",
+      "repeats": false,
+      "shape": [],
+      "superNames": [
+        "energy_component",
+        "section_single_configuration_calculation"
+      ],
+      "units": "J"
+    }, {
+      "description": "Component of the exchange (X) energy at the GGA (or MetaGGA) level using the self consistent density of the target functional (full unscaled value, i.e., not scaled due to exact-exchange mixing).",
+      "dtypeStr": "f",
+      "name": "energy_X_mGGA",
+      "repeats": false,
+      "shape": [],
+      "superNames": [
+        "energy_type_X"
+      ],
+      "units": "J"
     }]
 }