The seven sacraments are efficacious signs of grace, instituted by Christ and entrusted to the Church, by which divine life is dispensed to us.  The visible rites by which the sacraments are celebrated signify and make present the graces proper to each sacrament.  They bear fruit in those who receive them with the required dispositions. (Catechism of Catholic Church, #1131), 

- Daily Roman Missal, Midwest Theological Forum, Woodridge, Illinois, Third Printing, Copyright 1993-2012, Rev. James Socias.

The following pages explain, in brief, the basis of the Sacraments as well as the fruits of the Sacarment.   These explanations are taken from the Daily Roman Missal, as noted.

Links to the Catechism of Catholic Church regarding Sacraments are here