What is the meaning of the word "form"?

Definitions:

a category of things distinguished by some common characteristic or quality noun
- sculpture is a form of art
a mold for setting concrete noun
- they built elaborate forms for pouring the foundation
a particular mode in which something is manifested noun
- My resentment took the form of extreme hostility.
a perceptual structure noun
- the composition presents problems for students of musical form
a printed document with spaces in which to write noun
- The tax form had complicated instructions for us to fill it out.
an ability to perform well noun
- They were at the top of their form.
an arrangement of the elements in a composition or discourse noun
- the essay was in the form of a dialogue
assume a form or shape verb
- the water formed little beads
create (as an entity) verb
- social groups form everywhere
the phonological or orthographic sound or appearance of a word that can be used to describe or identify something noun
- the inflected forms of a word can be represented by a stem and a list of inflections to be attached