In the 1994 Catechism of the Catholic Church, the Sacraments
are described as follows.
Catechism Section
1084
"Seated at the right hand
of the Father" and
pouring out the Holy Spirit on
his Body which
is the Church, Christ now acts
through the
sacraments he instituted to
communicate his
grace. The sacraments are
perceptible signs
(words and actions) accessible
to our human
nature. By the actions of Christ
and the power
of the Holy Spirit they make
present
efficaciously the grace that
they signify. "