Answer:
Structure.
Step-by-step explanation:
Form refers to the structure of text.
In English language, a text mainly comprises of various words, phrases elements, and sentences to form a literary work that is concise, meaningful and understandable by the readers.
Basically, the arrangement of the text written by a writer can be done in many different ways such as use of paragraphs, indentation, etc. Therefore, these elements and arrangements defines the form (structure) of a text.