Emoticons

An emotion is how you are feeling.
An emoticon is a visual representation of your emotions used in mainly IMing or texting.
10 examples of emoticons and what they mean are:
:) happy
:( sad
:-) happy with a nose
:-( sad with a nose
:P joking
:o surprised face
>:o angry surprised face
>:) evil smile
:\ that stinks
:D very happy face

An acronym is an abreviation of a word or phrase.
10 appropriate examples of texting/IMing acronyms are:
LOL- laughing out loud
lmao- laughing my (butt) off
lmfao- laughing my freaken (butt) off
ffs- for freaking sake
imo- in my opinion
brb- be right back
rofl- rolling on the floor laughing
roflmao- rolling on the floor laughing my (butt) off
g2g- got to go
stfu- shut the freak up