This DXF sequence represents three full objects: the symbol table itself plus two entries.
0
TABLE It's a table, but what kind?
2
STYLE This kind. Exception to rule that code 0 fully defines type.
5
1C STYLE table handle; same as for entities and other objects.
70
3 Maximum number of STYLE table records to follow (pre-Release 13 field).
1001
APP_X APP_X has put xdata on a symbol table.
1040
42.0 Just a single floating-point number.
0
STYLE Beginning of first element in the STYLE symbol table.
5
3A The first entry's handle. (DIMSTYLE entries will have 105 here.)
2
ENTRY_1 The first entry's text name.
70
64 Standard flag values.
40
.4 Text height.
41
1.0 Width scale factor.
50
0.0 Oblique angle.
71
0 Text generation flags.
42
0.4 Last height used.
3
BUFONTS.TXT Primary font file name.
0
STYLE Second entry begins. No xdata or persistent reactors on first entry.
5
C2 Second entry handle.
2
ENTRY_2 Second entry text name.
...
... Other fields down to group code 3.
3
BUFONTS.TXT Primary font file name and last object type--specific group.
102
{ACAD_REACTORS This entry has a couple of persistent reactors.
330
3C2 Soft ID to first reactor object.
330
41B Soft ID to first reactor object.
102
} Indicates the end of the reactor set.
1001
APP_1 Xdata attached to this entry.
1070
45
1001
APP_2
1004
18A5B3EF2C199A
0
UCS Start of UCS table (and end of previous record and table).