In Zoho Recruit, you can choose to display the custom view either in Grid view or Summary view. This action can be done while creating or editing the custom view. 

By choosing the Grid view option, you can select the form fields for each custom view.
By choosing the Summary view option, the default form fields is displayed for each module. The default form fields is listed below:
Candidates : Candidate Id, First Name, Last Name, Email Id, Contact no, Total year of exp(Year), Total year of exp(Month), Skill set, Attach resume, Resume status, Created time, Owner, Source and Current job title. 
Job openings : Posting title, Client, Assigned Recruiter, Client Manager, Job opening status, Target date, Job opening Id and No of candidates associated.
Clients : Client name, Contact no, Client manager and Client logo.
Client Contacts : Client name, First name, Last name, Email Id, Mobile phone, Work Phone and Job Title.

Note: Module refers to Candidates, Job Openings, Clients and Client Contacts tab.