The phrase "a credible focus" is correct and usable in written English.
It can be used when discussing a reliable or trustworthy point of attention or concentration in a particular context.
Example: "In our research, we need to establish a credible focus to ensure the validity of our findings."
Alternatives: "a reliable emphasis" or "a trustworthy concentration".
Reviving France, with all the open, international engagement through NATO and the EU to which it has long been committed, will require a keen and credible focus on equality, too.
Designing the exercises involved substantial collaboration with representatives from participating health departments to assure that the scenarios were credible, focused attention on local preparedness needs and priorities, and were logistically feasible to implement.
Do you think Sumudica snores?" Brazil, October: Ronaldinho's agent and brother says his client is still a credible top-level player, focused on football not money.
He presented a credible program that is focused on the right structural areas.
Rather than focusing on austerity measures, the parties would be well advised to focus on a credible path to growth for Greece.
Both ministers believe that Brown will only move on if the Labour bickering ends and the prime minister can focus on outlining a credible vision for the future.
"His involvement in a wide range of challenging market environments will serve the bank well as we continue to restore trust in our brand and focus on building a credible, efficient and differentiated alternative for customers".
Although supportive of the mass, grass-roots and free-form nature of the movements, many participants acknowledged the need for a more credible and focused campaign against the Abbott government.
Around 80,000 Welsh residents commute across the border to work.In the 1970s the SNP left cultural nationalism behind and focused on becoming a credible political alternative to Westminster.
"In the US, the priority is to avoid excessive fiscal consolidation in the short term, promptly raise the debt ceiling, and agree on a credible medium-term fiscal consolidation plan, focused on entitlement and tax reform," the IMF said.
