てがみ手紙tegami
1.

A written document intended for communication, typically sent to another person, often containing thoughts, information, or greetings, especially in a sealed envelope.

2.

A formal method of conveying messages and sentiments, distinguishing itself from postcards by its enclosed nature and often more personal content.

3.

A piece of paper used for writing that can serve both as a means of communication and a personal keepsake, frequently indicating an intention to connect with someone else.

4.

A written correspondence that may express gratitude, share news, or convey important information, traditionally perceived as a thoughtful gesture in interpersonal relationships.

Example:

ここにあなたあての手紙が何通かあります。

okiてがみ手紙tegamiおきてがみ置手紙okitegami
1.

A written note or letter that is left in place of personal communication, typically when the writer is unavailable to convey their message directly. This can occur during situations such as leaving the house or being out of reach.

2.

A message left by an individual who is departing permanently or temporarily, often containing farewell sentiments or instructions for those who remain, indicating the reasons for their absence and any necessary follow-up actions.

3.

A form of correspondence that is utilized when the sender cannot deliver their message in person, serving as a means of communication to inform others of specific circumstances or intentions.

Example:

彼女は私に置手紙をした。