A semi-block letter is less formal than a block letter.
The word block only has one syllable.
A concrete block is made from concrete, a brick block is made from brick. They are two different building materials. Both have their respective advantages and disadvantages.
The word block has 1 syllable.
A carton has 24 drinks in it and a block has 30
Block style Semi block style indented style full block style hanging indented style simplified letter style
block style, semi block style, indented style, full block style, hanging indented style, simplified letter style
Block style Semi block style indented style full block style hanging indented style simplified letter style
In block style letters everything lines up to the left of the margin. In a modified block style everything lines up at the left except the address which appears by the right margin.
See the link below for full block and modified block style letters.
modified style
modified style
Modified Block Style: Address block is on the right with the signature and the rest on the left. Semi Block Style: same as the modified block style, only each paragraph in the body is indented. Block Style: Everything lines up on the left margin
that you should build a tower out of blocks
left justified, single space
semi block
See the link below for a sample of the modified block style business letter.