I was only looking for concrete examples of what 'works' means in this context. I have heard people talk about this but no one ever seems to say exactly what a 'work' is per se. I am not disparaging or putting down anyone by asking this, at least I hope not.
A "work" is, in theory, a meritorious act that we perform. That is to say, believers are thought by some denominations to earn salvation by having faith AND ALSO by doing good deeds (otherwise called "works" or "good works).
In contrast to this concept, the churches of the Reformation taught (and still do) that we are saved by Faith in Christ's meritorious act on the Cross which paid the price for the sins of mankind. Thus assured of our salvation by Faith, we will do good because having Faith in Christ automatically means a commitment to follow Christ's teachings which, as we all know, stressed charity, love, kindness towards the less fortunate, etc.
However, the churches which teach salvation by Faith and by Works both also consider religious acts like pilgrimages and church service to be goods works as well, acts of devotion to God rather than acts of mercy performed for other people.
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So that's it:
Faith plus works--a package that requires both for salvation
versus
Faith Alone, which produces works that, however, do not earn anything towards our prospects for salvation, since that has already been obtained by Faith.
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Incidentally, the churches that teach Faith plus works (also called "works righteousness") do not have an answer for how many such works are required or which works in particular are needed.