straightforward
adj.adj. easy to understand or do because there are no hidden parts or complications. You use this to describe a task or a person who is honest and direct.
adj. uncomplicated and easy to understand; free from ambiguity or complexity. When applied to a person, it indicates a direct and honest manner of communication.
The instructions for the new coffee machine are very straightforward.
The application process is quite straightforward and should only take you ten minutes to complete.
While the initial hypothesis appeared straightforward, the subsequent data analysis revealed several layers of complexity that the research team had not anticipated.
From straight + forward.
Typically functions as a gradable adjective; often modified by 'quite', 'very', or 'fairly'.