A line chart or line graph is a type of graph displaying a series of data points connected together with a line. Mostly, color is used to indicate the different sets of data in the chart.
Status Icons have a wide variety of uses, usually to communicate the state of something on a website. Web-shops, profile pages or status pages are some of the pages where status icons are used on.
Used when a user needs to pick a color for something. The user is given a palette or a smaller list of colors to pick a color from.
A circular chart divided into sectors, used when it is desired to emphasize the proportions of a set of data. Most of the time, color is used to indicate the different sets of data in the chart.