Why do solids have a definite shape?

Any matter that is a solid has a definite shape and a definite volume. The molecules in a solid are in fixed positions and are close together. Although the molecules can still vibrate, they cannot move from one part of the solid to another part. As a result, a solid does not easily change its shape or its volume

"any matter that is a solid has a definite shape and a definite volume. the molecules in a solid are in fixed positions and are close together, although the molecules can still vibrate they cannot move from one part of the solid to another part. as a result, a solid does not easily change its shape or its volume."

I hope this helps ^-^