pt point (1 in = 72.27 pt)
pc pica (1 pc = 12 pt)
in inch (1 in = 25.4 mm)
bp big point (1 in = 72 bp)
cm centimetre (1 cm = 10 mm)
dd didot point (1157 dd = 1238 pt)
cc cicero (1 cc = 12 dd)
sp scaled point (65536 sp = 1 pt)
LaTeX will automatically indent paragraphs (with the exception of the first paragraph of a new section). One can prevent LaTeX from indenting a paragraph though by beginning the paragraph with the control sequence \noindent.
Conversely, the control sequence \indent forces LaTeX to indent the paragraph.
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