Brand Trust is defined as the average consumer’s enthusiasm for relying on brand capabilities in terms of expected and branded performance. In uncertainty, lack of information, fear of opportunism, etc., trust plays an important role in reducing uncertainty and lack of information. These factors make the brand’s consumers feel more comfortable with branded products. One of the important results of creating and developing brand communities is to create brand loyalty, with the large and unified customer relationships that can lead to customer loyalty. One of the most important achievements of loyalty is brand confidence. Given the fact that brand communities and social networks have a positive effect on customer loyalty, it can be said that increasing the number of communications and their quality will increase confidence in the brand. The developed relationships of customers with brand communities, which lead to increased customer-product and brand-to-customer contacts, can positively affect trust. In addition to increasing communication on social networks, a lot of information is shared and shared among members, which leads to a reduction in information asymmetry, uncertainty and increased brand predictions. On this basis, it can be argued that increasing the perceived benefits (performance and experience) through brand communities can affect brand confidence.
The quality of brand relationships: The quality of engagement and the mutual relations of individuals with the brand can help the brand’s perception of the brand in the customer’s mind. The quality of brand relationships reflects the brand relationship in the community, which is related to the level of customer interactions. The results of the research show that the level of commercial, commercial and marketing activities of companies in the brand field can lead to the creation, development, and promotion of consumer associations. Therefore, doing business through social networks and brand communities can smooth, build and enhance brand-related customer relationships through websites. On the other hand, brand confidence is one of the factors that can affect the quality of the product. The greater the trust in the brand and its communities, and consumers have a great deal of positive interaction in the brand with other members, the quality of relationships will also be affected. Wherever there is trust, people with wings and ease of sharing information, exchanging ideas, ideas, and more. Therefore, the existence of trust to expand the quality of relationships will be key factors.
Brand loyalty is a positive attitude toward a particular product, which is due to repeated use of it, and it can be attributed to psychological processes. In other words, the repetition of purchases is not merely an arbitrary response but a result of psychological, emotional and normative factors. Brand loyalty is one of the topics that researchers have read about it, but what makes this term a vital part is the great competitive power that branding gains in this way. The existence of customer-brand relationships at the optimal level can stimulate customer loyalty. One of the important results of creating and developing brand communities is brand loyalty, which shows that the high and unified customer relationships can provide a ground for loyalty to them. Loyalty will arise if relationships are established at an appropriate level and customers appreciate the value of these relationships and the positive impact of their quality.