1) Teething refers to the process of a baby's primary teeth erupting through the gums, which typically begins around 6 months of age and follows a specific order. 2) Common signs of teething include drooling, gum rubbing, irritability, and trouble sleeping due to gum discomfort. 3) Management of teething involves preventative measures like good oral hygiene and teething toys to chew on, as well as topical teething gels or oral analgesics if needed to relieve pain.