It is more teacher-centered.

The grammar point might be introduced by simply engaging the students in a directed conversation to slowly introduce it.

Most material can be easily taught this way.

It is a sort of discovery learning that focuses on the student.

Learning takes place via the learner making connections between existing knowledge and that which they gain through guidance from peer interaction or the teacher

Instructor introduces the subject matter by lecturing on general principles, then gives students practice in their applications for homework

Useful for the development of critical thinking and fluency via a range of instructional methods including inquiry learning, problem-based learning, project-based learning, and discovery learning

Teacher introduces a new grammar point, explains the rules, and then gives examples which the students then put into practice.

The teacher provides examples of the target grammar but it is the task of the learner to figure out the rules from these examples.