I design most of my wireframes through hand drawings and using Adobe Illustrator. I do this because I can work extremely fast. Having a good library of UI components, patterns and other building blocks when working in Illustrator is essential to convey UI/UX concepts.
Understanding when and what to use is also essential to good product interfaces. Click on any of the elements below to view pattern definitions, usage and examples.
You can also download my the latest Illustrator symbol library for your own use. Download version 0.1 (updated 3/22/2014).