# What do the dots mean on a map?

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## What do the dots mean on a map?

A dot distribution map (or a dot density map or simply a dot map) is a type of thematic map that uses a point symbol to visualize the geographic distribution of a large number of related phenomena.

### What do black dots represent on an OS map?

A black line on a map usually is a boundary of some kind; a fence, wall, hedge or a boundary bank. A black dotted line isn’t a path but an unfenced boundary, so if you see a black dotted line running parallel to a solid black line it means a track is fenced on one side but is open on the other ( the dotted line ).

#### What do the spots represents?

Answer: Spots are actually the bodies way of healing itself. The sebaceous gland is located next to small hair follicles in the skin and secretes an oil known as sebum, which is used to prevent the skin and hair from drying out. Spots develop when these pores become clogged and inflamed.

What do the dots represent in map of earthquake distribution?

6. Inform students about the plotted earthquakes. As you have noticed, the dots you added fall along, or near, the lines you drew. These lines represent plate boundaries.

What are dot symbols on a map and what can they signify?

Dot distribution maps (or dot-density maps) depict a quantity for a given area by filling it in with small dots. Because each dot represents a quantity, you can expect that quantity every time you see that dot on the map.

## What is a symbol on a map?

A symbol is an abstraction or pictorial representation of something else. Symbols on a map consist of discrete points, lines, or shaded areas; they have size, form, and (usually) color. Map symbols present information collectively, leading to appreciation of form, relative position, distribution, and structure.

### Why are the lines on the road black and white?

Between white lane striping, Caltrans adds black stripes on some freeway stretches made of concrete, especially where the roadway has been grounded down and is a lighter color. This can help motorists on rainy days or when glare kicks up, because it can be easier to see the black stripes than the white ones.