ability to communicate; power of expression; communicativity
Refers to the skill or capacity to convey one's ideas, opinions, or messages effectively to others, often in contexts like public speaking, writing, or interpersonal communication.
He has strong communication skills and can always clearly convey his opinions in meetings.
To improve my ability to communicate on social media, I keep posting every day.
Focuses on the power of artistic or linguistic expression, whereas 発信力 is more about the practical ability to get a message across to an audience.
Compound of 発信 (transmission, sending out) and 力 (power, ability). The exact historical derivation is uncertain, but the term follows a common pattern for forming nouns denoting a capacity or skill.