Land-based is a term used to describe things that are related to land. There are a variety of synonyms that can be used to convey the same meaning, such as terrestrial, onshore, inland, and ground-based. These terms are often used in different contexts, such as in reference to transportation, commerce, and environmental studies. For instance, terrestrial refers to anything related to the earth's surface, while onshore is used to describe things located on the shore or adjacent to it. Similarly, inland describes anything located far from the coast, while ground-based refers to anything stationed on the ground, such as military equipment or radar systems. All these synonyms express the idea of something being situated on land.