A family of Microsoft word processing software products for creating web, email, and print documents.
Connectors are found in the Insert tab > Illustrations group > Shapes drop down > Lines section. The first 3 entries are just lines, then come 6 types of connectors, and 3 more lines.
You have to use a "Drawing Canvas" to contain the shapes for connectors to work, as described in this tip:
Using AutoShape Connectors
http://word.tips.net/T005487_Using_AutoShape_Connectors.html
Moving an AutoShape Connector http://word.tips.net/T005488_Moving_an_AutoShape_Connector.html