Answer:
From the review select, language, and then change language settings, and select the default language as US English. You need to do nothing else.
Another method is as below:
From File menu, select the "options", and then the language, and install the language if the languages not installed in the proofing section. Once, it shows installed, it means the language has been installed. And then you can change the default language by clicking on "Set the office language preference". Select the American English as default language. You will find that the "colour" is changed to "color" instantly.
Explanation:
The answer section details explains it all.
It means how fast it can read the disk so if you want faster data transfer you would go for blurry if you really don't care go for the other one
Answer:
Two or more languages are used for making one particular software.
