(adj)
GENERAL:
1. Concerned with, applicable to, or affecting the whole or every member of a class or category: "subduing all her impressions as a woman, to something more general" (Virginia Woolf).
2. Affecting or characteristic of the majority of those involved; prevalent: general discontent.
3. Of or affecting the entire body: general paralysis.
4. Being usually the case; true or applicable in most instances but not all: the general correctness of her decisions.
5. a. Not limited in scope, area, or application: as a general rule. b. Not limited to or dealing with one class of things; diversified: general studies.
6. Involving only the main features rather than precise details: a general grasp of the subject.
7. Highest or superior in rank: the general manager.
OVERALL:
1. From one end to the other: the overall length of the house.
2. Including everything; comprehensive: the overall costs of medical care.
3. Regarded as a whole; general: My overall impression was favorable.
Source: Answers.com