How to sign: the principal activity in your life that you do to earn money
"he's not in my line of business";
Similiar / Same: occupation, job, line of work, business
Categories: activity
Within this category: accountancy, appointment, career, catering, employment, farming, game, metier, photography, position, profession, sport, trade, treadmill
How to sign: a short personal letter
"drop me a line when you get there";
Similiar / Same: note, short letter, billet
Categories: personal letter
Within this category: excuse
How to sign: a conductor for transmitting electrical or optical signals or electric power
Similiar / Same: transmission line, cable
Categories: conductor
Within this category: coaxial cable, electrical cable, fiber optic cable, power line, printer cable
How to sign: the descendants of one individual
"his entire lineage has been warriors";
Similiar / Same: lineage, bloodline, blood line, pedigree, ancestry, line of descent, blood, stemma, parentage, origin, descent, stock
Categories: family tree, genealogy
Within this category: breed, family, side
How to sign: a length (straight or curved) without breadth or thickness; the trace of a moving point
Within this category: boundary, centerline, curve, curve, geodesic, perimeter, straight line
How to sign: a formation of people or things one beside another
"the line of soldiers advanced with their bayonets fixed"; "they were arrayed in line of battle"; "the cast stood in line for the curtain call";
Categories: formation
Within this category: chorus, diagonal, linemen, lineup, rank, rivet line, row
How to sign: a mark that is long relative to its width
"He drew a line on the chart"; "The substance produced characteristic lines on the spectroscope";
Within this category: ascender, bar line, cross hair, descender, dotted line, graduation, guideline, hairline, isometric line, ledger line, serif, shaft, spectrum line, squiggle, staff line, trend line
How to sign: in games or sports; a mark indicating positions or bounds of the playing area
Within this category: balkline, baseline, finishing line, foul line, foul line, foul line, goal line, red line, scrimmage line, service line, sideline, start, yard line