The Panasonic Lumix DMC-TZ56 supports a maximum video resolution of 1920 x 1080 pixels. That's over six times the video resolution of the most frequently found video resolution of 640 x 480 pixels (which is also supported by this Panasonic camera). A video resolution of 1920 x 1080 pixels is equivalent to Full HD video. You will require a Full HD TV or better to appreciate this level of detail.
A 1920 x 1080 pixels video resolution is in fact the best supported video resolution amongst all digital cameras of this age and type.
The worst supported video resolution across similar types of digital camera is 320 x 240 pixels.