1the thesis statement functions as a

chain that connects ideas to one another logically
ladder that leads readers to a big idea view of the topic
light for audiences to better see the evidence
map for readers to know where the essay is going

2authors choose their words for particular effects. their word choice is called

denotation
diction
mood
tone

For number 1, a thesis statement functions as map for readers to know where the essay is going.

For number 2, the author's word choice is called diction.

The thesis statement functions as a map for readers to know where the essay is going.

Explanation:

The thesis statement is usually found somewhere in the beginning of your paper. It is usually a sentence long and states what your paper will be about. Sometimes they make a claim that others might dispute.

Diction

Explanation:

Diction is defined as the choice of words. Therfore, this word choice is called diction. It might help you to remember this if you think that diction is short for dictionary. It is related to words.

it should discride this whale so it shouldnt be that hard