Readers in search of a clear, linear progression - much less a solution to the mystery of Murakami's art - get no help from the writer himself.

Instead of a clear, linear progression, the product lines overlapped and in some cases borrowed technology from each other.

The later Thrinaxodon has a full and completely closed palate, forming a clear progression.

An internship in the Senate seemed a "clear progression," he said.

Each of his books has been a clear progression from the previous one.

The candidate's professional career must show a clear progression and unquestionable achievements.

A clear progression from his more spartan first LP, it also has an experimental edge that will surprise many.

The testing service said the work "demonstrates a clear progression from traditional forms to pieces that are much more sculpturally adventurous."

Many enjoy the change, however, seeing a clear progression in the band's sound.

Almost every past relationship had this same clear progression.