What dose the following tool's do?
1-caption
2-back color
3-font
4-alignment​

Caption:it is used to display speaker's name and describe relevant sounds that are inaccessible to people of hard hearing or who are deaf

Back color: it is used to fill a section's interior. it contains numerical expressions that corresponds

Font: it is used to add style to a document or webpage

Alignment: it is used to describe how text is placed on a screen.

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answer; i believe that the correct answer is (training);

answer; the correct answer is (operating system);