edit
To find and fix mistakes in spelling, punctuation, grammar and format.
proofread
To read a final copy carefully one more time to catch any mistakes left.
grammar
The rules for how words go together in sentences.
format
How a text looks on the page: title, paragraphs, headings, spacing, font.
run-on sentence
Two or more sentences joined without the right punctuation or joining word.
word processor
A computer program for typing, editing and formatting text.
home row
The middle row of letter keys where your fingers rest when you touch-type: A S D F and J K L ;.