A spool of thread, as used for sewing. Thread color varies across platforms, though often depicted in red or blue and on a wooden spool. Sometimes shown with an end unraveling.

Commonly used for various content concerning sewing, knitting, arts and crafts, clothing and fashion, and metaphorical threads (e.g., a discussion thread online).

WhatsApp and Microsoft's designs includes a needle.

Hilo se aprobó como parte de Unicode 11.0 en 2018 y se agregó a Emoji 11.0 en 2018.