perspective
They are called implied lines.
In most modern art, lines are used to create eye movement (how your eye travels around the page). Hope I answered your question! :D
The numbers of contour lines indicate altitude or elevation along that line.
closely spaced contour lines indicate steep slopes, wider ones indicate gentle slopes
Hachured contour lines are contour lines with ticks pointing downslope that indicate a depression on a topographic map.
They are called implied lines.
These lines of latitude are called parallels.
They are called fold lines or perforated lines. They indicate where the paper should be folded or torn.
Meteorologists draw lines to indicate air pressure, which are called isobars.
The large lines indicate a kilometer per big line thingy
Lines in art are used to indicate shape, form, movement, depth, texture, and perspective. They can also convey emotions and moods, as well as direct the viewer's eye through a composition.
The lines running from north to south are called longitudinal lines or meridians. These lines help to indicate a location's east-west position on the Earth's surface.
The darker contour lines on map are called index contour lines. Numbers that indicate elevations are often written on these lines.
In most modern art, lines are used to create eye movement (how your eye travels around the page). Hope I answered your question! :D
earthquakes
an earthquake
The accentuated incremental lines that can indicate the trauma of birth are called Harris lines. These are horizontal lines that can be seen on X-rays of bones and are believed to represent growth arrest episodes during early childhood due to illness or malnutrition.