starting line

US /ˈstɑːr.tɪŋ ˌlaɪn/
UK /ˈstɑːr.tɪŋ ˌlaɪn/
"starting line" picture
1.

the line across a track or course that marks the beginning of a race

:
All runners gathered at the starting line.
The referee blew the whistle, and they were off the starting line.
2.

the point at which a new activity or process begins

:
We're still at the starting line of this complex project.
For many entrepreneurs, securing initial funding is the real starting line.