1. Pass - phone the CAA at the Belgrano and they will tell you.
2. SPIC is Student Pilot In Command - the time spent solo during your PPL course. Note that this is different for integrated students as they never get a PPL (unless they had one before starting), so often have lots of SPIC time.
3. Simulator time.
4. A PPL, 200 hours TT, 100 hours PIC, 5 hours night (for the CPL), a qualifying cross country of 300nm, 70 hours cross country PIC, a full set of CPL + IR or ATPL theory exams passes, plus at least the course minimum hours for the CPL and IR courses, and an MEP Class rating theory test pass if you're also applying for an MEP class rating.
5. You just need the hours not the qualification. In fact not getting the night qual. has saved you £64 which is what the CAA charge for adding the sentence 'the priveledges of this licence may be exercised at night' to your PPL'.