The identifying feature of a full-block style letter
is the left justification of all structural parts of the letter.
See full-block graphic.
The identifying feature of the block style letter
is the left justification of all structural parts of the letter
except the dateline, complimentary close, and the signature line.
The dateline is right-justified. The complimentary close and
the signature line are typed to the right of the horizontal center
of the page. See block
letter graphic. (top)
The identifying feature of the semi-block style letter
is the left justification of the inside address and salutation
and the indentation (five to ten spaces) of the first line of
each paragraph. The dateline is right-justified. The complimentary
close and the signature line are typed to the right of the horizontal
center of the page. See semi-block
letter graphic. (top)