Job , house , something that shows intentio to return to home. Is usually what they look at for visitor visa and similar. Or sometimes they meant like to get the PR but going back to origin as in ,not living in canada (which is a requirement) depending of the situation. So dual intent is to try to get a temporary status AND permanent one too.
Dual Intent refers to the concurrent processing of an application for permanent residence and an application for temporary status, therefore demonstrating the intention to both reside in Canada permanently and only temporarily, at the same time. An individual whose application for permanent residence in Canada is pending is subject to the same requirements as others when seeking entry into Canada temporarily. The individual should therefore have a reasonable purpose for entry, be prepared to leave Canada at the end of the temporary stay and understand that if a Canada Immigration Visa is issued, he or she must leave and re-enter Canada in order to officially land as a permanent resident. An application for temporary Status may be scrutinized more closely when a permanent resident application is under review, as there is an obvious intention to settle in Canada permanently. If the individual's ties elsewhere can be demonstrated, however, an application for temporary status should succeed. Hope that helps