I would explain it like this: Multiple graphics in a single image file.
I.e. both the "before" and "after" graphics of a rollover effect or all your icons in a single image file and then using techniques to position the image in such a way that only the desired portion is visible.
Read this post »
If you have developed an iPhone web application you might also want to create a custom icon that can sit on the users home screen, a so called Web Clip Bookmark Icon. This icon is a link to your web application from the home screen and all the user needs to do is tap it to get your application running, making it seem like an inbuilt application. Way faster and easier than opening the browser and typing in your URL, don't you think?
Read this post »
A logo is a very important instrument, who's job is to represent your business, so put a lot of thought into it. Your logo will be the face of your company. Once you decide to go with something you are going to want to stick with it.
Read this post »
