Making clear what are the aim, the goals or purposes of a gathering of Hebrew patterns is of the greatest importance.
Indeed, behind every intellectual construction, however bright it is, one wonders whether there is some usefulness to take out from it, something that can become useful in his everyday life and where he can take some profit from. Or, on the contrary, one wonders whether it is a pure theoretical construction that satisfies no practical aim.
Here are the main purposes of Oham as Oham author conceives them:
Explaining the inner structure of a given word, namely discovering what many difficult words mean.
Making comparisons between (two, three, four..) patterns or Hebrew structures easy
For the non-vowel writing or text: make sure if a yud, a waw... have to be inserted or not.
Helping in the inverse translation (from a language to Hebrew)