C# and analysing packets

[kondos]

if i have packet like

[S -> C][B007]
02 ................
01 ................
01 ................
20 3A 00 00 .:..............
0C 00 ................
52 61 70 69 64 41 76 65 6E 67 65 72 RapidAvenger....
44 D...............
6E n...............
65 9B F3 28 00 00 00 00 e..(............
C8 01 ................
81 00 ................
00 00 ................
5A B1 00 00 Z...............
2C 32 00 00 ,2..............
00 ................
01 ................
00 ................
00 ................
08 ................
85 30 00 00 .0..............
00 ................
F1 30 00 00 .0..............
00 ................
CD 30 00 00 .0..............
00 ................
39 31 00 00 91..............
00 ................
15 31 00 00 .1..............
00 ................
5D 31 00 00 ]1..............
00 ................
17 2C 00 00 .,..............
00 ................
5B 2D 00 00 [-..............
00 ................
01 ................
59 5F 00 00 Y_..............
00

and now my problem i don't know the difference between
ReadUInt8
ReadUInt16
ReadUInt32
ReadInt8
ReadInt64
if i want to read 2 bytes which one may i use ???? and if i want 4bytes , etc

[DaxterSoul]

8 Bits = 1 Byte
ReadUInt8 = 1 Byte
ReadUInt16 = 2 Bytes
ReadUInt32 = 4 Bytes
ReadInt8 = 1 Byte
ReadInt64 = 8 Byte

By the time you wrote this thread you could have found this on google already but nvm...