Outset and Square one

Outset noun - The point at which something begins.

Square one and outset are semantically related in starting point topic. In some cases you can use "Square one" instead a noun "Outset", when it comes to topics like point of departure.

Square one noun - The situation in which you begin an endeavor and to which you return if your efforts fail.

Outset and square one are semantically related in starting point topic. You can use "Outset" instead a noun phrase "Square one", if it concerns topics such as point of departure.