bar line(n = noun.communication) Array - a vertical line before the accented beat marking the boundary between musical bars; Array
is a kind of line, musical notation
has particulars: double bar

aclinic line, acoustic delay line, actor's line, adonic line, agate line, agonic line, air line, anti-sway bar, apricot bar, assembly line, axle bar, bank line, bar, bar absolute, bar billiards, bar bit, bar chart, bar code, bar exam, bar examination, bar fly, bar girl, bar graph, bar hop, bar iron, bar magnet, bar mask, bar mitzvah, bar printer, bar sinister, bar soap, battle line, bee line, blood line, bottom line, boundary line, branch line, bread line, bus line, business line, candy bar, carob bar, cash bar, center line, chalk line, checkout line, chinning bar, chocolate bar, chorus line, chow line, city line, coffee bar, color bar, color line, colour bar, colour line, command line, command line interface, conga line, contour line, county line, credit line, danger line, date bar, date line, delay line, demarcation line, digital subscriber line, direct line, district line, dividing line, dotted line, double bar, draw a line, draw the line, drive line, drive line system, drop a line, drop line, electrical line of force, electromagnetic delay line, equinoctial line, equity credit line, fall in line, family line, fault line, feeder line, fence line, field line, finish line, finishing line, firing line, fishing line, flight line, foul line, front line, frown line, fruit bar, fuel line, gag line, gas line, geodesic line, get a line, gill bar, goal line, grab bar, granola bar, green line, gunter's line, hand line, hanoverian line, hard line, harpoon line, heart line, hershey bar, high bar, hitching bar, hold the line, hook line and sinker, horizontal bar, hot line, in line, in line with, international date line, isoclinic line, isogonal line, isogonic line, isometric line, keep in line, lancastrian line, land line, lateral line, lateral line organ, laugh line, lay on the line, lead line, ledger line, leger line, life line, line, line backer, line block, line coach, line double, line drawing, line drive, line duty, line engraving, line feed, line function, line item, line judge, line management, line of battle, line of business, line of control, line of credit, line of defence, line of defense, line of descent, line of destiny, line of duty, line of fate, line of fire, line of flight, line of force, line of gab, line of heart, line of inquiry, line of latitude, line of least resistance, line of life, line of longitude, line of march, line of merchandise, line of poetry, line of products, line of questioning, line of reasoning, line of saturn, line of scrimmage, line of sight, line of succession, line of thought, line of verse, line of vision, line of work, line officer, line one's pockets, line organisation, line organization, line personnel, line printer, line roulette, line score, line single, line spectrum, line squall, line storm, line triple, line up, line worker, load line, log line, love line, lubber line, lubber's line, maginot line, magnetic line of force, main line, mason and dixon line, mason and dixon's line, mason-dixon line, melodic line, mensal line, metal bar, milk bar, mooring line, new line, nougat bar, nut bar, old line, old line state, opening line, out of line, oyster bar, party line, peanut bar, personal credit line, personal line of credit, phone line, picket line, pinch bar, pipe line, plantagenet line, plimsoll line, plot line, plumb line, poverty line, power line, private line, product line, production line, program line, property line, pry bar, punch line, put on the line, rail line, railroad line, railway line, reception line, red line, regression line, rhumb line, ripping bar, rivet line, royal line, salad bar, sand bar, sash line, scrimmage line, service line, sewer line, ship of the line, shoot a line, short line, side line, siegfried line, slice bar, snack bar, snap line, snow line, sonic delay line, sounding line, space bar, spectrum line, squall line, stabilizer bar, staff line, stall bar, starting line, state line, static line, stay in line, steam line, steamship line, stepped line, straight line, stream line, streetcar line, string line, subscriber line, supply line, sushi bar, sway bar, tag line, tamping bar, telegraph line, telephone line, ticket line, timber line, toe the line, toll line, top of the line, towel bar, towing line, transit line, transmission line, trap line, trawl line, tree line, trend line, trip line, trolley line, trunk line, unemployment line, verse line, vortex line, waiting line, water line, wats line, wet bar, white line, wine bar, wrecking bar, yard line