noun a noun is a person, place, thing, or idea; 'way' is a noun in 'by the way' referring to a method or manner of doing something
adverb an adverb modifies or describes a verb, adjective, or another adverb; in this case, 'by the way' is used as an adverb to introduce a new topic or add additional information in a conversation
preposition a preposition shows the relationship between a noun (or pronoun) and other words in a sentence; 'by' is a preposition in 'by the way' indicating the manner or method of something
Commonly used in posts or comments to share thoughts or ask questions in a casual manner
Used to introduce a new topic or add additional information in a casual manner
Similar to casual conversation, used to add information or change the subject in a relaxed way
Often used to transition between topics or provide additional information in a more informal tone
In a professional email, a writer may use 'by the way' to introduce a related topic or point that is not the main focus of the conversation.
During a therapy session, a psychologist may use 'by the way' to bring up a relevant issue or insight that is connected to the client's main concerns.
In a classroom setting, a teacher may use 'by the way' to provide additional information or clarification on a topic being discussed.
In a legal setting, a lawyer may use 'by the way' to mention a related legal point or detail that is important for the case at hand.
In a medical consultation, a doctor may use 'by the way' to address a minor issue or symptom that the patient mentioned earlier in the appointment.