some with four legs, a solid base,

[keannu]

1. What does "solid base" mean here? A base without holes or spaces? And in relation to the whole sentence, is the writer describing some with four legs, a solid base, or wheels separately or as one thing?

2.Why isn't it "securely" instead of "secure"? Does it mean "hold the paper and, as a result, make it secure"?

gu47)Professional artists tend to identify this as one of the most important pieces of equipment in their studio. Most versions of this come in the form of a tripod, with three legs supporting the work surface. However, there are different styles of this as well, including some with four legs, a solid base, or wheels on the bottom of the legs for easy movement. Its purpose is to hold a piece of drawing paper secure and at an appropriate angle while you work on it...

[bhaisahab]

1. What does "solid base" mean here? A base without holes or spaces? And in relation to the whole sentence, is the writer describing some with four legs, a solid base, or wheels separately or as one thing? Separately.

2.Why isn't it "securely" instead of "secure"? It would work with "securely" too. Does it mean "hold the paper and, as a result, make it secure"? Yes.

gu47)Professional artists tend to identify this as one of the most important pieces of equipment in their studio. Most versions of this come in the form of a tripod, with three legs supporting the work surface. However, there are different styles of this as well, including some with four legs, a solid base, or wheels on the bottom of the legs for easy movement. Its purpose is to hold a piece of drawing paper secure and at an appropriate angle while you work on it...

Bhai.

[keannu]

If "securely" can be also used, is this "secure" used as a result or an adverb here? I mean if it means the result was "secure" or "hold something securely"? If it works as an adverb, can a adjective also function as an adverb?

to hold a piece of drawing paper secure

[driftwood]

If "securely" can be also used, is this "secure" used as a result or an adverb here? I mean if it means the result was "secure" or "hold something securely"? If it works as an adverb, can a adjective also function as an adverb?

to hold a piece of drawing paper secure

I think 'securely' is better because the sentence call for an adverb.

[5jj]

I think 'securely' is better because the sentence call for an adverb.

No, it doesn't. If you hold something securely, you have a secure hold on it; despite this, it may move/be moved. If you hold something secure, your holding of it ensures that it is secure; it will not move..

[keannu]

You mean like this?
1. He held me tight - He definitely held in a tight state - the result was tight.
2. He held me tightly - He was trying to hold me in a tight state, but it might or might not have failed.