Material filling gaps in construction projects.

Soil or material used in landscaping design.

Additional content within a literary work.

Urban development that fills vacant lots or spaces.

Fillers for voids in architectural structures or designs.

To fill gaps in construction projects.

To add material to a structure's voids.

To complete empty areas in design layouts.

To augment landscaping with additional soil or plants.

To incorporate elements into an existing framework or space.