information or evidence that helps to solve a mystery, problem, or crime

a physical path, itinerary, or course of travel

connected to the Internet or a communications network

electrical line, wire, or circuit

hotline (communications link)

short term

a curved line or a smooth bending surface

the limit of what one is prepared to accept

radio or wireless technology used in telecommunication

air or shipping route

a sequence of machines and workers in a factory that assembles or produces a product

a specific sphere of activity, industry, or ideological alignment

the line of contact between opposing military forces or the area of active combat operations

the entire extent of a military front or battle line

line or brushstroke in drawing, calligraphy, or other visual arts

a line that does not curve; the shortest distance between two points

a person who oversees and directs the activities of another in a gang or spy ring

ultraviolet ray

a beam or ray of light

to go out of bounds or cross the boundary line in sports

electrical wire or conducting cable

a line dividing a sports field, road, or territory into two equal halves

cable television

main line of communication, transportation, or physical infrastructure

a general term for various infrastructure conduits, including pipes, cables, and wires for water, power, or telecommunications

a person who provides secret information, such as a spy, snitch, or scout

the most direct or active level of participation in work, production, or a social initiative

a dedicated telecommunications line or hotline for specific usage

the primary route or main line within a transportation, communication, or power network

relating to a line or a mathematical relationship that can be represented by a straight line; having the property of linearity

a ray or beam of radiation

to connect to a network or device; to go online

the minimum score required to pass an examination or meet an admission threshold

yarn made of wool or similar fibers used for knitting or weaving

computer bus

a secondary position or less influential role, often used in government or corporate contexts to describe senior officials who have stepped down from frontline executive duties.

long term

a device used for sending or receiving radio or television signals; an aerial

specifically referring to cable television or related telecommunication services

telephone line or physical wire used for telecommunications

defensive line or perimeter

a military position or line of troops encircling an enemy position

A secondary road, railway, or infrastructure connection branching off from a main route.