flowchart .i need help with my ict homework i need to explain what the symbols are and give a reason on how to use them. one is a rectangle shape, one is a rectangle with rounded ends and one is a diamond. thanks for help

http://home.att.net/~dexter.a.hansen/flowchart/flowchart.htm#Process%20Flow%20Charting%20Basic%20Symbols

http://www.breezetree.com/articles/what-is-a-flow-chart.htm

http://www.answers.com/topic/flowchart?cat=technology