Front line and Vantage point

Front line noun - The leading or most important part of a movement.

Vantage point and front line are semantically related. In some cases you can use "Vantage point" instead a noun phrase "Front line".

Vantage point noun - A way of looking at or thinking about something.

Front line and vantage point are semantically related. Sometimes you can use "Front line" instead a noun phrase "Vantage point".