When a person literally does this on a pushpin board, they are creating a visual reference for the evidence they have gathered. As to why it is red, it is probably because it would usually have a high contrast relative to the information on the board.
Its called The "Katipo spider"
The black bug with red lines on its back is commonly known as a "boxelder bug."
a red back.
A king piece(white) of a red and white chess board, and a pawn (red) behind.
Sierra Leone
It indicates that the pilot is on board.
i believe its a red lines coming out of an image of a red car. that what it was in my 02
The flag of Great Britain is also known as the King's Colours. It consists of red, white, and blue horizontal, vertical, and diagonal lines. The design dates back to the early 17th century.
no they can only be white, black blue or red.
Red, white, Red, (top, middle, bottom) is the national flag of Austria. White, Red (left, right) is a signal flag meaning 'H' (hotel) / "I have a pilot on board". Red, White, Red, (left, middle, right) is an outdated signal flag meaning '7'. red, white, red, white, red, white, red (left to right) is a signal flag meaning 'Port'. Red, White, (top, bottom) is both a signal 'corner' flag and the National flag of Indonesia. White, Red, (top, bottom) is the National flag of Poland.
The Graphics Card is broken.
There must be at least seven red lights on the back of a trailer.