protel 99 - what is autotrax format ? need explanation

[maggots]

autotrax file format

hi guys
i'm using protel 99
i want to know what is autotrax format...
because if i open it with notepad...
i have something like this

PCB FILE 4
COMP
U1
DIP8
ffff
315 415 60 0 0 7
309 481 60 0 0 7
340 360 1 1 1
CA
490 410 25 12 10 7
CP
340 360 50 50 2 32 1 13
1
CP
340 260 50 50 4 32 1 13
2
CP
340 160 50 50 4 32 1 13
3
CP
340 60 50 50 4 32 1 13
4
CP
640 60 50 50 4 32 1 13
5
CP
640 160 50 50 4 32 1 13
6
CP
640 260 50 50 4 32 1 13
7
CP
640 360 50 50 4 32 1 13
8
CT
390 410 465 410 10 7 1
CT
515 410 590 410 10 7 1
CT
590 10 590 410 10 7 1
CT
390 10 590 10 10 7 1
CT
390 10 390 410 10 7 1
ENDCOMP
FV
640 560 50 32 1
FV
780 420 50 32 1
FP
140 620 40 40 4 30 1 1
7
FP
60 120 40 40 4 20 1 13
4
FP
240 360 40 40 4 36 1 13
6
FP
140 80 40 40 4 20 1 13
5
ENDPCB

thanks for your help
[/code]