Definition of basic:

• It stands for beginners all purpose symbolic instruction code. It makes it easy for a user to interact with a program. Microsoft turned this into DOS and visual basic programs. It acts as a control language.
• a popular programming language that is relatively easy to learn ( Beginner's All- purpose Symbolic Instruction Code); no longer in general use
• reduced to the simplest and most significant form possible without loss of generality; " a basic story line"; " a canonical syllable pattern"
• ( chemistry) of or denoting or of the nature of or containing a base
• serving as a base or starting point; " a basic course in Russian"; " basic training for raw recruits"; " a set of basic tools"; " an introductory art course"
• pertaining to or constituting a base or basis; " a basic fact"; " the basic ingredients"; " basic changes in public opinion occur because of changes in priorities"
• Relating to a base; performing the office of a base in a salt.
• Having the base in excess, or the amount of the base atomically greater than that of the acid, or exceeding in proportion that of the related neutral salt.
• Apparently alkaline, as certain normal salts which exhibit alkaline reactions with test paper.
• Said of crystalline rocks which contain a relatively low percentage of silica, as basalt.
• Fundamental; as, a basic principle; in chemistry, per forming the office of a base in a salt.
• Relating to a base of any kind; basilar, basal; basylous.
• Relating to a base; bacillar.
• Of, pertaining to, or like a base.
• Relating to a base; performing the office of a base in a salt; having the base in excess.
• Acting as a base; possessing the base in excess.
• [ Greek] Appl. stains which act in general on nuclear contents of cell; cf. acidic; appl. number, the minimum haploid chromosome number occurring in a series of euploid species of a genus; chromosome number in gametes of diploid ancestor of a polyploid organism.

Usage examples for basic

1. For the matter of their art should be, in the last analysis, life itself; and the unity of life itself, the one basic unity of all, they have missed.  The Psychology of Beauty by Ethel D. Puffer

2. The basic principle of the American Republic is the freedom of man in society.  An Atheist Manifesto by Joseph Lewis

3. The basic facts were in close agreement with what Redell had told me.  The Flying Saucers are Real by Donald Keyhoe

4. Let us return to our original basic principle and see what light it may throw upon our problem.  Craftsmanship in Teaching by William Chandler Bagley