The creator of these logos has used a unique approach to typography. By playing with and arranging letters, very creative logos were formed. These simple, yet interesting logos are an example of the power that typography can have in design.
This element of design is Negative Space. The hand isn't actually holding anything. It implies that there is a light bulb in the empty space. Negative space guides your imagination to finish the image.
having the letter a as the tea pot is more interesting than just putting a picture of a tea pot in the middle. Tea - Pouring from such a great height is only for the most reckless of tea drinkers. Or for those with plastic topped table cloths.