Jumping-off place and Starting post

Jumping-off place noun - A place from which an enterprise or expedition is launched.

Starting post and jumping-off place are semantically related. in starting point topic. In some cases you can use "Starting post" instead a noun phrase "Jumping-off place".

Starting post noun - A post marking the starting point of a race (especially a horse race).

Jumping-off place and starting post are semantically related. Sometimes you can replace phrase "Jumping-off place" with "Starting post", this phrases are similar.