Clarification Needed

As stated in the title, there are some stuffs that are not documented in the wiki. So if anyone can help out, there's the gallery to start the first documenting process. Once done, I'll check it and try to find out the legible source.
_Alo_
=== Needed to be clarified on ===
# Allied and enemies units
# Allied and enemies defenses
# Allied and enemies buildings
== Gallery ==
Clarification Needed V.jpg
Clarification Needed IV.png
Clarification Needed III.png
Undocumented II.jpg
Undocumented I.jpg
87.png
85.png
93.png
100.png
90.png
86.png
88.png
92.png
94.png
Unknown Tank.png
Category:Allied Units (Blue)