Is it your picture, you leave with your comment?
Is it your comments, per se?
Is it your logo that you carry?
Is it your name plate that is visual?
Is it your brand that is visible?
Is it the stamp (captured by the web traffic log) that you leave after your visit ?
An answer, to the above question, could be any one, or all of the above.
What the experts in the field of information visualization say about it? I am searching. But, as of now, I have no way to quote or cite them. [Google, if you wish Lets proceed.
Read the following extracts, and you may be able to visualize the true colors of visual signature:
We are adding a new dimension to everyone's online persona: what you look like, your "visual signature". As for all the other dimensions (email, phone number, credit card number...), I believe that noone should ever be able to learn anything about me by just knowing what I look like (and vice versa !) more...
Graphic design and visual "signature" graphics are not used simply to enliven Web pages - graphics are integral to the user's experience with your site. In interactive documents graphic design cannot be separated from issues of interface design. Read further...
The themes discussed include: Visualization supports Communication, What about signaure?, etc.
... Your visual voice is that intangible which makes your sketches, doodles, and whiteboard scribbles uniquely yours and no one else's. You could think of it as your visual signature. Here's a way to discover it. Continue to visualize
...The software can assess color, shape and texture using a visual signature of the image. The technology uses an image analyzer that "enhances, indexes, recognizes and retrieves images." Keep reading...
http://sig.aqstats.com/font:color;line:(color|none);bg:(color|image|transparent);sigtype:style/characterID.(png|gif) Read further...
Anyways. If you are not happy with the above, let me know, I will continue my research. Any comments?