what is pre-defined graphs

Pre-defined graphs are graphical representations of data that have already been created and made available for use. These graphs are typically included in software applications or libraries, and can be used to quickly and easily create visualizations of data without having to manually create the graphs from scratch. Pre-defined graphs can include a variety of chart types, such as bar charts, line graphs, pie charts, and more. They often have customizable options, such as color schemes, font styles, and data labels, allowing users to tailor the graphs to their specific needs