Stones can develop in a certain direction. Development plays a major role in matters of technique and strategy.
Development means expanding a position, possibly by expanding territory or by staking a claim to a larger area Especially in the opening, both players are concerned with efficient development of their stones. Another idea related to development is that of stones working together.
A hane blocks the development into a certain direction. (diagram to be included).
Blocking the diagonal stone is another example.
Extensions and pincers, expanding or strengthening moyos.
Joseki choices (joseki choice, joseki context)