Compact body of Leica D-Lux 7 makes it much easier to carry it with you all day. Large Four Thirds (17.3 x 13 mm) sensor
Large sensor in Leica D-Lux 7 ensures a good low light image quality compared to smaller sensor, and it also provide shallow depth of field and a nice blurry background when needed. RAW shooting capability
RAW files contains much more color information compared to JPEGs, and gives you more room for post processing without significant quality loss. They provide wider dynamic range and option to recover shadow and highlight clipping to some degree.
Carrying this weight all day may not be very comfortable for you. Body Thickness 64mm
With a thickness of 64mm,Leica D-Lux 7 is not a pocketable camera for sure. 3.1X Optical Zoom
Having a camera with higher zoom ratio would be more practical.