Power BI Give Dropdown To All Items Which Are In 6 Columns & Give Count Of Items From All

I am looking for a Power BI expert who can assist me with visualizing data in my report. The main objective is to create a dropdown menu that displays all items from 6 different columns and provide a count of those items. Here are the details:

No alteration to be made in the data

Purpose of the Dropdown and Count:
- The dropdown and count feature will be used for visualizing the data.

Layout and Design:
- I do not have a specific layout or design in mind for the Power BI report.
- I am open to suggestions and ideas from the freelancer.

Specific Data Points:
- There are specific data points that I want to be highlighted in the report.

Skills and Experience:
- Experience with Power BI and data visualization is essential.
- Knowledge of creating dropdown menus and counting items in Power BI is required.
- Ability to provide suggestions and ideas for the layout and design of the report is preferred.

If you have the required skills and experience, please bid on this project.