What is input box in UI?
Input fields allow users to enter text into a UI. They typically appear in forms and dialogs. Below you will find the elements of the input field along with the practical rules on how to design them.
What is an input field UX?
Input fields give users a way to enter information and submit it within your user interface. For e-commerce sites, input fields are an essential element of the checkout UX. But you'd be surprised at how many things can go wrong with input fields and how much of a UX impact those issues can have.
How big should text fields be?
A rule of thumb is 45–57px for a touch target, but for mobile that often result in fields which look obnoxiously large. Sizing input fields between 32px and 40px in height makes your field finger-friendly and not very large at the same time.