Five Different Ways to Meditate - two of five

Visualizing is a good way to meditate; one that beginners often find easy to practice. Traditionally, a meditator visualizes his or her chosen deity—a god or goddess-in vivid and detailed fashion. Essentially any object is valid.

Some practitioners visualize a natural object such as a flower or the ocean; others meditate on the chakras, or energy centers, in the body. In this type of meditation, you focus on the area or organ of the body corresponding to a particular chakra, imagining the particular color associated with it.

Source: http://www.yogajournal.com/article/practice-section/let-s-meditate/