As you build your assets within IBM Watson Studio, it is highly recommended that you take the time to annotate your data assets at the time that you load them. This will allow you to quickly search for and locate those assets for collaboration with others and to use within other projects. You can accomplish this by simply adding a description and one or more tags to your asset.

A tag is metadata that simplifies searching for your assets. A tag consists of one string containing spaces, letters, numbers, underscores, dashes, and the # and @ symbols. You can create multiple tags on the same asset by using a comma to separate the individual tag values.

From the project page, under Data assets, you can click on the asset name:

Next, click inside the Tags box to add tags, and you can manually assign business terms and tags to the data, as well as a description, as shown in the following screenshot: