Zones of strength

1.4. Zones of HCP:
Note: Bottom value of zone are good HCP, while top value of zone are bad HCP.
Note: Expecting losers are for UNBAL(5-4 or 6).
Note: Very UNBAL hands (5+-5+, 6+-4 or 7+) with honors in long suits can be count as next zones of HCP if all other requirements are satisfied.
Note: Zone determination modificators: L - lower part of zome; U - upper part of zone. + zone and above; - from - to zone;
Ex: 2URe = 7-8 HCP; 2LOp=14-15 HCP.

1.4.1. Zones of Re:
1Re: 0-5HCP, 10-9L, 0-1KC; Op, Ov, Re: Pass or PRE; Negative after forcing bids.
2Re: 5-8HCP, 9-8L, 0-1KC; Op: Pass or PRE; Ov: Pass, PRE or 1 level overcall with 5+4+(1) or 6+; Re: 1/1 or PRE.
3Re: 8-11HCP, 8-7L, 0-1KC; Op: Pass or PRE; Ov: Pass, PRE or 1 level overcall with 5+4+(1) or 6+; Re: 1/1 or PRE.
1.4.2. Zones of Op:
1Op: 11-14HCP, 7-6L, 1-2KC,Op: 1 of suit; Ov: all, Re: 1/1 or 2/1 or 3/1 or SPL, GF (11-12 BAL GTRY)
2Op: 14-17HCP, 6-5L, 1-2KC, Op: 1 of suit or 1NT, Ov: all; Re: 1/1 or 2/1 or 3/1, GF, UNBAL/FIT STRY
3Op: 17-20HCP, 5-4L, 2-3KC, Op: 1 of suit, Ov: DBL, Raptor, 2 suiter, Jump cue(1 suter), Re: 1/1 or 2/1 or 3/1, STR
4Op: 20-23HCP, 4-3L, 2-3KC, Op: 1 of suit, Ov: DBL, Raptor, 2 suiter, Jump cue(1 suter), Re: 1/1 or 2/1 or 3/1, STR
1.4.3. Zones of GF Op:
23+HCP: 3-L, 3-4KC, Op: 2D, Ov: DBL, Raptor, 2 suiter, Jump cue(1 suter), Re: 1/1 or 2/1 or 3/1, STR
Discussion:
Why do you need to declare such zones?
-> Primary for describing the system.