What do you mean by theme/template ?
Theme :
A theme is like a style guide for a website or application
It defines the overall look and feel, including color palettes, typography, and design elements.
Themes can be applied to website, applications or even individual documents to ensure a consistent visual style.
Examples of themes include website themes, document themes, and application themes.
Template:
A template is a pre-designed file or document that provides a structure and often some content for a specific task.
It serves as a starting point for creating new content, with pre-formatted layouts headings and placeholders for information.
Templates can be used for various purposes including documents, presentations, websites and more.
Examples of templates include resume templates, website templates, presentation templates and more