Terms used in Islamic Dietary Law
that which is permissible and lawful to consume / use. Read more (what is halaal link)
that which is forbidden and unlawful to consume / use. Some examples: carrion, blood, pig and its derivatives, carnivorous animals & birds, wine and alcoholic beverages etc.
that which is disliked and reprehensible
that which is suspicious and doubtful i.e. the Halaal status of which is unknown and / or not traceable.
that which is deemed an impurity