The mom in dreams could either represent you or your own mother. If you are the other it is very common dream to see the mother. The dream could also be interpreted as your spiritual guide that is called Mom.
Dream dictionary: mom japanese dream meanings
(See Dog)
(See Mother).
…(Bitch | Canine | Desire | Greyhound | Japanese spaniel | Pekingese | Lust | Puppy | Shepherds’ dog | Tyke) In a dream, a dog represents an insolent man who dares to indulge in sinful actions. If he barks in the dream, it means that such a man is impudent and has a repulsive and an abominable character. A dog bite or his scratch in a dream means harm caused by one’s enemy and its effects will depend on the amount of pain one suffers in the dream. It could also mean falling sick or suffering from great affliction or harm caused by a close companion or a servant. If a dog tears off one’s clothing in a dream, it means that a vile person is slandering and backbiting him. If one does not hear the barking of the dog in the dream, it signifies that one’s enemy…
(Japanese fermented rice drink | slightly sweetened and a non-alcoholic drink also found in Egypt) Drinking amazaki in a dream means comfort and prosperity. If an unmarried man sees himself drinking this fermented rice drink in a dream, it may mean that he considers it lawful to live unmarried with divorced women.
The mother could represent you as being a mom. The mother could also indicate your own mother or the God that you believe in.