The Save For Web & Devices dialog box lets you preview different optimization settings and adjust color palette, transparency, and quality settings before saving in several web-compatible formats.
The drawing tools (the Pen and shape tools) let you create and edit vector shapes. You can work with shapes in shape layers and as paths; you can also create rasterized shapes, which can be edited with the painting tools. The drawing tools provide an easy way to create buttons, navigation bars, and
other items used on web pages.