For example in the page below there are four web part highlighted by different colors. The purple web part displays a short list of the new announcements stored in the annoucements library. The pink web part displays events from a calendar within the site. The green web part displays an image from a location the user specifies. The gray web part displays a list of links from the links list on the site.
Configuring a Web Part
To configure a web part click the down arrow next to it and select 'Modify Shared Web Part'.
This will bring up a section on the right side of the form with the web part's settings. Click the 'OK' button