# Making decisions > ## Lean software development ## [Lean software development](https://wiki.g15e.com/pages/Lean%20software%20development.txt) [LSD](https://wiki.g15e.com/pages/Lean%20software%20development.txt)의 원칙 중 하나인 [Decide as late as possible](https://wiki.g15e.com/pages/Decide%20as%20late%20as%20possible.txt)의 도구. Comparation of two strategies for problem solving. The text prefers Breadth-first problem solving: - [Depth-first problem solving](https://wiki.g15e.com/pages/Depth-first%20problem%20solving.txt) - [Breadth-first problem solving](https://wiki.g15e.com/pages/Breadth-first%20problem%20solving.txt) See also [Simple rule](https://wiki.g15e.com/pages/Simple%20rule.txt)