Here's a link to the manual: http://resources.kodak.com/support/pdf/en/manuals/urg01313/C1450_xUG_GLB_en.pdf
"Framing marks indicate the camera focus area.
1 Press the Shutter button halfway.
If the camera is not focusing on the desired subject,
release the Shutter button and recompose the scene.
2 Press the Shutter button completely down to
take the picture.
NOTE: Multiple framing marks may appear when faces are detected."
Source: Page 4 of the User Manual