Activity value field displayed by code instead of statement

Sometimes when you check authorization by using some tcodes like SUIM, the Activity value field is displayed by code instead of statement. This list contains the meaning of these codes that I collected. There may be more.

Activities : Meaning
01 : Create or Generate
02 : Change
03 : Display
05 : Lock
06 : Delete
07 : Activate, Generate
08 : Display change documents
11 : Change number range status
12 : Maintain & generate change documents
13 : Initialize number levels
16 : Execute
17 : Maintain number range object
21 : Transport
22 : Enter, Include, Assign
23 : Maintain
24 : Archive
33 : Read
34 : Write
36 : Extended maintenance
37 : Accept
40 : Create in DB
41 : Delete in DB
42 : Convert to DB
43 : Release
50 : Move
51 : MM : Initialize period
59 : Distribute
60 : Import
64 : Generate
65 : Reorganize
68 : Model
70 : Administer
71 : Analyse
75 : Remove
78 : Assign
90 : Copy
A6 : Read with filter
A7 : Write with filter
A8 : Process mass data
DL : Download
UL : Upload
P0 : Accept CCMS CSM data
P1 : Edit CCMS CSM data
P2 : Maintain CCMS CSM methods