hello friends am very much interesting in learning new things, so that i like to spend my time on internet more than 5 hours a day. Recently am learning about internet marketing and and search engine optimization. it is very great topic which i learn past. am very much happy to know about seo things in internet. what happens is am searching for keyword tools to get related keywords. with the help of adwords.google.com am able to do it very easy. but suddenly i got problem with this tool . am unable to understand the keyword search volume. it shows keyword search volume is low by giving green color graph. can any one please explain me "what does 4/10 means for Google keyword search volume ?" so what is mean of 4/10 of the search volume of keyword. i have attached the sample file of image also...please let me know what exactly does it mean. Thank you very much my friends..