What kind is file you can see by following command
file xyzexample
Executable bit is a different thing. You can see it by
ls -l xyzexample
or
stat xyzexample
For simple understanding it the right to execute file by call it just by name
xyzexample
will execute programm listed in file. Without this bit you are still able to execute it but in different way, for example
bash xyzexample
Please note, that if the programm file there isn't in folders listed in special variable PATH you should indicate the full path for the file:
bash /usr/bin/xyzexample