Definition
maybe a statement of the essential properties of a certain things or a statement of equivalence between one expression and another , usually more complex expression that give meaning.
A things is being defined is called DEFINIENDUM,the expressio which defined it is called DEFINIEMS
a. Lexical Definition
b.Intentional Definition
c.Extentional Definition
d.Contextual Definition
e.Stipulative Definition
f.Ostensive Definition
g.Precising Definition
h.Operational Definition