Question

fluid ? what is fluid did it have types

Answer 1

fluid is that state of matter which have tendency to flow so liquids and gases are together known as fluids.
viscous fluids like honey
non viscous like kerosene

Answer 2

In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress. Fluids are a subset of the phases of matter and include liquids, gases, plasmas, and to some extent, plastic solids.