This frame should be good for any road and city use, and can take you through lightest offroad, like parks and walking paths. If you only have what is on the last pictures, you'd probably need:
1. 1-1/8 headset
2. Bottom bracket bearings set (USA standard)
3. Fork
4. Some wheels
5. Seatpost
6. Saddle
7. Seatpost clamp
8. Stem
9. Handlebar
10. Grips
11. Pedals
12. Chainring
The rest would be optional and depend on where are you heading with the build and on other parts you use.