Biz (noun)

1. Commercial or professional activity.
2. The world of business and commerce.
3. A particular company or enterprise.

Origin:

Shortening of business.

Examples:

1. She runs her own consulting biz and specializes in marketing strategy.
2. The tech biz is constantly evolving with new innovations and breakthroughs.
3. The small biz owner struggled to keep her company afloat during the pandemic.