Map markers - centre them or put them pinned to the exact location?

1. What are map markers called?
2. What does pin location mean?

What are map markers called?

Introduction. A marker identifies a location on a map. By default, a marker uses a standard image. Markers can display custom images, in which case they are usually referred to as "icons." Markers and icons are objects of type Marker .

What does pin location mean?

What does this mean? When you drop a pin in your exact location, you're saving the GPS coordinates of that spot. That way, when you share it with your friend, you're telling them exactly where you are - not the nearest street address (which might be miles away).