档

档

"档" means "file," "record," or "shelf."

Here, '档次' means 'quality level', referring to the rank or standard of something in terms of quality.

这个相机的档次很高。

The quality of this camera is very high.

In this sentence, '车档' means 'gear', which refers to the gear settings in a vehicle's transmission.

请把车档挂到空档。

Please shift the car's gear to neutral.

Here, '档次' again refers to categories or levels of quality or standards, often used in merchandising or grading contexts.

商店里的货架档次分为低、中、高三种。

The shelves in the store are categorized into low, medium, and high tiers.