They are significantly more than mere concepts.
God is a concept.
A land where everything is paved with gold is a concept.
Thoughts are an emergent* result of an electrochemical network, that can directly result in action - such as pressing a button to detonate a bomb.
*emergent means more than the sum of its parts.
Time is a dimension through which everything with mass is moving at all times. It is what clocks measure.
What you mean is: they are not physical.
physical
ˈfɪzɪk(ə)l/
adjective
1.
relating to the body as opposed to the mind.
"a range of physical and mental challenges"
synonyms: bodily, corporeal, corporal, fleshly, in the flesh;
rare somatic
"mental and physical well-being"
2.
relating to things perceived through the senses as opposed to the mind; tangible or concrete.
"the physical world"
synonyms: material, substantial, solid, concrete, tangible, palpable, visible, real, actual
"everything physical in the universe"
***
concept
ˈkɒnsɛpt/
noun
an abstract idea.
"structuralism is a difficult concept"
synonyms:idea, notion, conception, abstraction, conceptualization; More
a plan or intention.
"the centre has kept firmly to its original concept"
an idea or invention to help sell or publicize a commodity.
"a new concept in corporate hospitality"
***
emergent
ɪˈməːdʒ(ə)nt/
adjective
1.
in the process of coming into being or becoming prominent.
"the emergent democracies of eastern Europe"
synonyms:emerging, beginning, coming out, arising, dawning;
Google
***
phrase
If you
say that something is more than the
sum of its parts or
greater than the sum of its parts, you mean that it is
better than you would
expect from the individual parts, because the way they
combine adds a different quality.
https://www.collinsdictionary.com/dictionary/english/more-greater-than-the-sum-of-its-parts
I mean what I say and I say what I mean so all of Post #896 stands AS IS
Humpty Dumpty
Humpty Dumpty smiled contemptuously. 'Of course you don't — till I tell you. I meant "there's a nice knock-down argument for you!"'
'But "glory" doesn't mean "a nice knock-down argument",' Alice objected.
When I use a word,' Humpty Dumpty said, in rather a scornful tone, 'it means just what I choose it to mean — neither more nor less.'
Humpty Dumpty
Through the Looking Glass, by Lewis Carroll
When I use a word what I choose the word to mean is the dictionary meaning
Now there's a knockdown argument for you