Again knowing how different brushes should react, through experience with natural media, will help you avoid using computer graphic arts programs that are low end in quality of brush application and features.
I looked at your link here and the images appear to be natural media instead of digital media artwork.   As a beginner you might want to try natural media artwork instead of computer digital drawing.    Experience with natural media will help you understand why brush menus with different types of strokes react differently.    Again knowing how different brushes should react, through experience with natural media, will help you avoid using computer graphic arts programs that are low end in quality of brush application and features.