webbing
Grouping, or pairing.
Tree diagramming
webbing
grouping
Clustering simply means to start with a word, than associate it with others. For example, you can start with the word "money", then associate it with power, power with wealth, wealth with fortune, etc. From clustering, you can write a short poem or piece of writing with the words that are associated with each other.
Another term for writing music is composition. I don't know of any others.
Cluster means to start with a word, then add associated word to the word.
When using the term server clustering in reference to computer lingo, this would mean a group of of servers running Windows Server 2003. One can find more information on the Wikipedia website.
Another term for an indelible writing utensil would be a pencil. This is due to the fact that it can be used multiple times and reused after being sharpened.
clustering
quote
punctuation, sentence structure, vocabulary and writing