When someone is restricted to one idea, it is often referred to as "fixation." This psychological concept indicates an inability to see beyond a specific thought or perspective, which can hinder problem-solving and creativity. Fixation can manifest in various contexts, such as cognitive biases or mental blocks, where individuals struggle to consider alternative viewpoints or solutions.
To be restricted to one idea.
monomania
monomania
you cant. that's why its restricted
Hebrews are called Jews today, and they do not spread the idea of one God. (The idea of spreading beliefs is a Christian practice.)
A restricted thesis statement should clearly state the main argument of the essay in a specific and focused manner. It should outline the scope of the discussion and indicate the direction of the paper.
Hedgehog concept
Restricted would be more of an epidemic which is only in one country. There is no restricted pandemic, unless you mean a milder one
In idea is more restricted than a vision. That is to say, a vision may consist of a number of interrelated ideas.
Racism.
An idea, usually a widely known one
restricted in habitat