Yes, it's going to depend very much upon the type. My recommendation would always be that if you don't know the type intimately yourself, pay a LAME/inspector who does for a day of their time, ask them to go over it with a fine toothed comb, then whilst they're doing so follow them around with a clipboard.
But, if you want some general rules:-
- Microcracking of the gelcoat on composite aircraft, particularly around spars.
- Visible elongation of rivet holes
- Slight bend in tubes
- Owner has removed the g-meter!
But all of these may be perfectly acceptable in other types - that's why you need an expert.
Also, in my experience it is far more likely that an aircraft will have been overstressed due to storm damage,hard landings or ground transport than through severe manoeuvring.
G