1st design blitz
The sign is a good example of color. The use of dark background with a font of light color grabs the attention of people. These color combinations are not used because the author/librarian likes this color, but it is used with an intention to grab the attention of passerby.
2nd design blitz
This sign in library is a good example of topography.
To grab attention, the combination of red and yellow color is used for two most important sentences ‘Do NOT RE-SHELVE’ and ‘Place these items on a shelving cart’. The font of sentence is according to the importance for reader to read.
3rd design blitz
This picture gives a message to us. Having a ring in the left hand symbolizes that the person is not single.