"Grass roots" is a term used to describe something that originates from or is supported by ordinary people, rather than by powerful individuals or organizations.

Here are some ways it's commonly used:

* Grassroots movement: This refers to a social movement that originates from the general public rather than from political leaders or elites. Think of movements like the Civil Rights Movement, the women's suffrage movement, or environmental activism.

* Grassroots organization: This is an organization that is run and supported by local members. Think of community groups, neighborhood associations, or local chapters of larger organizations.

* Grassroots marketing: This involves promoting a product or service by targeting individuals directly, rather than relying on mass media or traditional advertising. This often involves building relationships with customers and using word-of-mouth strategies.

The term "grass roots" evokes a sense of authenticity, localism, and community involvement. It's often associated with the idea of "power to the people" and a desire to empower ordinary citizens.