Bootstrap 3 UI components

I am at the wireframing stage. And I need to wireframe my pages. To be fast, I decided to use bootstrap 3 symbol library for balsamiq mockups. I will skip photoshop stage to be fast, so I will make my wireframe using bootstrap 3 symbol library. This is just a collection of images. Drag and drop UI components for rapid wireframing. But I have never used bootstrap (in this case framework not UI components). So I don't know which bootstrap UI components when to use. For example there are plenty of buttons which have different colors and sizes. And this make me angry. And also different menus, drop downs, paragraphs and much more than. Please help me to use right components for my wireframe.