Common:

• Procedural, preferably Functional. If you need a procedure or function use a procedure or function.
• Object Oriented. If you need an object use an object.
• Modular
• Package/Collection of Modules
• Do not optimize unless you need to.
• Readable is more important then compact.
• Somone said minimal code coupling, Yes! Try to have code complexity increase closer to N then N factorial where N is code size.

Frankly everything else is specialized though not unuseful.