Arabic is based on the root system in which varied combinations of consonants can lead to a general meaning. Each combination of root letters results in a vast array of words with the same predictable meaning as the three root letters. This link is an excellent source for a list of popular roots with their meanings.
This is a great link to clear up some issues on how to approach learning Arabic. This site does not agree, however, that transliteration should be avoided at all cost. Learning to read the language is an unnecessary challenge for certain students who want to interact with Arabs and speak the language. You should only invest time in learning Arabic text if you intend to read Classical Arabic MSA form.
If you are wondering whether you have the qualities to learn a language this can be a useful link to visit. A good student of a foreign language needs to have or be willing to develop a number of characteristics. Note especially the remark on “foreign language intuition” and semantics.
A useful chart for introductory level students. It shows the six letters that do not connect with prior letters and those that change shape according to their position within the word.
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