Fill in the Blanks Intro to Centering DocumentsOnline version Check knowledge of key terms related to horizontally and vertically centering tasks in MS Word by Raynessia Watkins 1 right space justify relative sunset equal up top vertical angle straight horizon bottom down left arrangement sunrise parallel right ladder Alignment can mean two things . It is either the of lines or the positioning of lines . The term horizontal is defined as to the plane of the . This type of centering requires the to the and of text to be . A good way to remember its placement is to think about a or over the ocean . On the other hand , the term vertical refers to being at a to the plane of the horizon . This type of centering requires an equal number of lines at the and of the text . Think about the direction a person goes on a , and . In addition to centering , other alignment options include , top and bottom . More horizontal alignment options are left , right and .