An information providing apparatus includes following components. Product correlation information discovered in that entity’s customers’ shopping records are obtained and incorporated into an existing merchandise hierarchy with a constraint on the consistency with the existing hierarchy. The method also includes receiving through the user interface an indication that a first component of the plurality of components is static, and an indication that a second component of the plurality of components is dynamic. The disconnected elements can be connected to the plurality of interconnected elements after the clock distribution path is tested in connection with the circuit. The instrument interacts with the repair member to either insert it into the meniscus from the posterior side, or to facilitate securing of the repair member so that the repair member holds the meniscal tissue together on either side of a meniscal tear to foster healing of the damaged tissue. A bit error rate at the end of the path is determined.