That's ur brush tool..just in the beginning work with the 1st option in there Brush Tool
When u select ur brush tool, you can select various shapes and sizes from the option that'll appear right underneath main File, Edit toolbar...
The Load brushes option that's selected is for if you u want to load some of ur own downloaded brushes. You can go too google and type PSCS4 Brushes and u'll find thousands of free to download brushes..just unzip them and put them in a folder. Then using the load brushes option u can load ur newly downloaded ones
Here you have the different shape the default in built ones as well as the ones I downloaded 😃
Hope this helped little!
You just have to play around with all the options...I still don't know a LOT a bout Photoshot...but the trick is to just play around...I used to be very intimidated by PS but slowly got used to it 😃
77